Snap fastener



FIG. 1 is a perspective view of an assembled snap fastener showing my new design with fabric to which it is applied being indicated in phantom outline;

FIG. 2 is a top view of the assembled snap fastener of FIG. 1 showing my new design;

FIG. 3 is a side view of the assembled snap fastener of FIG. 1 showing my new design; and,

FIG. 4 is a bottom view of the assembled snap fastener of FIG. 1 showing my new design. 

The ornamental design for a snap fastener, as shown and described. 